Electronic circuit board tester



FIG. 1 is a top and right front perspective view of an electronic circuit board tester showing my new design;

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a right side elevational view thereof, the left side view being a mirror image thereto;

FIG. 4 is a top and right front view thereof, with the circuit board carrier omitted for ease of illustration;

FIG. 5 is a top front perspective view of FIG. 4. 

The ornamental design for an electronic circuit board tester, substantially as shown and described. 